NDLI: Angular Response Function parameterization for collimator/detector in SPECT simulations within the GATE toolkit

Content Provider	IEEE Xplore Digital Library
Author	Descourt, P. Du, Y. Song, X. Frey, E.C. Tsui, B.M.W. Visvikis, D.
Copyright Year	2008
Description	Author affiliation: INSERM U650, LaTIM, Brest, France (Descourt, P.; Visvikis, D.) \|\| J. Hopkins University, Baltimore, USA (Du, Y.; Song, X.; Frey, E.C.; Tsui, B.M.W.)
Abstract	In SPECT Monte Carlo simulations, the tracking process of photons inside the collimator is a very tedious and computationally demanding task. For example in the case of a low energy parallel-hole collimator only one in a thousand photons penetrating the collimator surface will be detected. In an attempt to significantly decrease the time associated with the collimator tracking process we implemented within GATE the methodology designed by X. Song et al which relies on the use of Angular Response Function (ARF) for the collimator/detector system. The Angular Response Function refers to the spatial distribution of photons detected for a given point source position. The strategy developed by Song relies on the use of different Monte Carlo codes such as MCNP and SIMSET in order on one hand to generate list mode files from which the ARFs are computed and on the other hand to compute the ARF tables from these list modes files.
Starting Page	4969
Ending Page	4971
File Size	1700618
Page Count	3
File Format	PDF
ISBN	9781424427147
ISSN	10957863
DOI	10.1109/NSSMIC.2008.4774355
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-19
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Detectors Single photon emission computed tomography Optical collimators Optical computing Design methodology Monte Carlo methods Electromagnetic scattering Particle scattering X-ray scattering Fluorescence
Content Type	Text
Resource Type	Article

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